21138205935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{112279}}^1$

素因数の和:112468

約数の個数: 64

約数和(自身を含む): 42425671680

約数和(自身を除く): 21287465745

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 163, 165, 231, 385, 489, 815, 1141, 1155, 1793, 2445, 3423, 5379, 5705, 8965, 12551, 17115, 26895, 37653, 62755, 112279, 188265, 336837, 561395, 785953, 1235069, 1684185, 2357859, 3705207, 3929765, 6175345, 8645483, 11789295, 18301477, 18526035, 25936449, 43227415, 54904431, 91507385, 128110339, 129682245, 201316247, 274522155, 384331017, 603948741, 640551695, 1006581235, 1409213729, 1921655085, 3019743705, 4227641187, 7046068645, 21138205935]

約数ペア:

[(1, 21138205935), (3, 7046068645), (5, 4227641187), (7, 3019743705), (11, 1921655085), (15, 1409213729), (21, 1006581235), (33, 640551695), (35, 603948741), (55, 384331017), (77, 274522155), (105, 201316247), (163, 129682245), (165, 128110339), (231, 91507385), (385, 54904431), (489, 43227415), (815, 25936449), (1141, 18526035), (1155, 18301477), (1793, 11789295), (2445, 8645483), (3423, 6175345), (5379, 3929765), (5705, 3705207), (8965, 2357859), (12551, 1684185), (17115, 1235069), (26895, 785953), (37653, 561395), (62755, 336837), (112279, 188265)]